The SDK’s new modular architecture is shown in java language. At the heart of the system is the Device manager. It registers devices and emulators, and retains knowledge of their properties.

The device manager stores adapters, and abstract layers that map SDK commands to specific devices, for every device and emulator. The Java ME SDK also includes a numeric number of options for running application projects, including several emulators (see the device selector in Figure 1) as well as an Oracle Java Wireless Client (OJWC) runtime that can very easily be installed onto Windows Mobile devices for development purposes. The emulators included in the Java ME programming language SDK are built using the same OJWC source-code that Oracle licenses to java device manufacturers for use on real devices, so the

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Fidelity is very high or developers will benefit from improved portability when deploying content into the market. The Java ME programming language SDK also includes a universal emulator interface (UEI) proxy language to ensure that integrated development environments (IDEs) recognize the SDK as an emulation platform.

The UEI proxy language provides more choice to delivers by enabling them to use the Java ME SDK language

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